Answer :
United States and British counteractions to Communist expansion in Europe included the Truman Doctrine, the Berlin Airlift, and NATO. Nuremberg trials were not part of it.
The following are the only options
The Truman Doctrine:
The document dictates American foreign policy towars the USSR as a means to counter Soviet in Eastern Europe and Central Asia. It was an innitiative led by President Harry S Truman.
The Marshall Plan
Helping to Europe reconstruct and recover from the destruction caused by WW2 was a priority for the American goverment. The financial aid provided through the US-funds (also known as the European Recovery Program) enabled a quick economic stabilisation. The revival of the traditional Europan powers was tought to create a buffer to the spread of communist ideology among nations in a time where socialist proposals was very popular, especially among the poorest states.
The NATO
A geostrategical militar alliance to act in case of a direct confronntation. It mainly set Germany as a focus where it set major military bases. If a violent was to take place , it would have ocurred in German soil , as the country was split. (Germany was divided and occupied by foreign armies from the West and East.) England and the United States kept suspicious of the intentions of the Soviet Union.
